etu Posted August 24, 2015 Report Share Posted August 24, 2015 We've owned and camped several years in our 2004 Keystone Challenger 5w but we've never used the fresh water tank. Guy we bought it from 5 years ago had also never used it either. We are going on a trip next month and may need to boondock one or 2 nights so I thought I'd read up on it. The manual is not very detailed ("it's automatic, fill with water and turn on the switch on the water tank monitor"). Anyway I filled it and opened the faucets and turned on the switch and everything works fine. But I still don't understand fully how it works. For example, when using city water, what keeps the city water from running through the pump and into the fresh water tank. And now that I have it full how do I drain it? I want to drain it and refill with disinfecting solution. Thanks Link to comment Share on other sites More sharing options...
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